XML 35 R24.htm IDEA: XBRL DOCUMENT
v3.20.2

Warrants and Derivative Liabilities (Details) | 6 Months Ended
--- | ---
Jun. 30, 2020 $ / shares shares
Class of Warrant or Right [Line Items] |
Amount Vested and Outstanding | shares | 22,304,750
Pre 2015 Common Stock Warrants |
Class of Warrant or Right [Line Items] |
Exercise Price | $ / shares | $ 1.00
Amount Vested and Outstanding | shares | 1,660,000
Pre 2015 Common Stock Warrants | Minimum |
Class of Warrant or Right [Line Items] |
Term (Years) | 6 years
Pre 2015 Common Stock Warrants | Maximum |
Class of Warrant or Right [Line Items] |
Term (Years) | 10 years
2015 Common Stock Warrants |
Class of Warrant or Right [Line Items] |
Amount Vested and Outstanding | shares | 256,000
2015 Common Stock Warrants | Minimum |
Class of Warrant or Right [Line Items] |
Exercise Price | $ / shares | $ 1.15
Term (Years) | 5 years
2015 Common Stock Warrants | Maximum |
Class of Warrant or Right [Line Items] |
Exercise Price | $ / shares | $ 5.00
Term (Years) | 10 years
Common Stock Warrants to Series B Stockholders |
Class of Warrant or Right [Line Items] |
Exercise Price | $ / shares | $ 0.00
Term (Years) | 5 years
Amount Vested and Outstanding | shares | 718,750
2016 Common Stock Warrants to Service Providers |
Class of Warrant or Right [Line Items] |
Exercise Price | $ / shares | $ 1.15
Term (Years) | 10 years
Amount Vested and Outstanding | shares | 40,000
2016 Series C Common Stock Warrants to Placement Agent |
Class of Warrant or Right [Line Items] |
Exercise Price | $ / shares | $ 0.40
Term (Years) | 5 years
Amount Vested and Outstanding | shares | 125,000
2017 Series D Common Stock Warrants to Placement Agent |
Class of Warrant or Right [Line Items] |
Exercise Price | $ / shares | $ 0.25
Term (Years) | 5 years
Amount Vested and Outstanding | shares | 480,000
2017 Common Stock Warrants to Service Provider |
Class of Warrant or Right [Line Items] |
Exercise Price | $ / shares | $ 0.41
Term (Years) | 5 years
Amount Vested and Outstanding | shares | 125,000
2018 Emerald Financing Warrants |
Class of Warrant or Right [Line Items] |
Exercise Price | $ / shares | $ 0.10
Term (Years) | 5 years
Amount Vested and Outstanding | shares | 3,400,000
Emerald Multi-Draw Credit Agreement Warrants |
Class of Warrant or Right [Line Items] |
Exercise Price | $ / shares | $ 0.50
Term (Years) | 5 years
Amount Vested and Outstanding | shares | 7,500,000
2019 Common Stock Warrants |
Class of Warrant or Right [Line Items] |
Exercise Price | $ / shares | $ 0.35
Term (Years) | 5 years
Amount Vested and Outstanding | shares | 8,000,000

X
- Definition Represents term of warrant. + References No definition available. + Details
Name: | embi_TermOfWarrant
Namespace Prefix: | embi_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents warrants vested and outstanding as of balance sheet date. + References No definition available. + Details
Name: | embi_WarrantsVestedAndOutstanding
Namespace Prefix: | embi_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Exercise price per share or per unit of warrants or rights outstanding. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644 + Details
Name: | us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_ClassOfWarrantOrRightLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=embi_Pre2015CommonStockWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=embi_TwoThousandFifteenCommonStockWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=embi_CommonStockWarrantsToSeriesBStockholdersMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=embi_TwoThousandSixteenCommonStockWarrantsToServiceProvidersMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=embi_TwoThousandSixteenSeriesCPlacementAgentWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=embi_TwoThousandSeventeenSeriesDPlacementAgentWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=embi_TwoThousandSeventeenCommonStockWarrantsToServiceProvidersMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=embi_TwoThousandEighteenEmeraldFinancingWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=embi_TwoThousandEighteenEmeraldMultiDrawCreditAgreementWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=embi_TwoThousandNineteenCommonStockWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |